<?php
	session_start();
	$lastpage = $_SESSION['lastpage'];
	if(isset($_POST['bt-en'])){
		$_SESSION['lang'] = "EN";
		header( 'Location: '.$lastpage ) ;
	} else if(isset($_POST['bt-kr'])){
		$_SESSION['lang'] = "KR";
		header( 'Location: '.$lastpage ) ;
	} else if(isset($_POST['bt-vn'])){
		$_SESSION['lang'] = "VN";
		header( 'Location: '.$lastpage ) ;
	}
?>